Add call_on_each_event() to our Python bindings

call_on_each_message() is now implemented in terms of
call_on_each_event().

(imported from commit b4f74ccf46e9cafd9a6ca28dce975492c2d0b29f)
This commit is contained in:
Zev Benjamin 2013-03-22 17:44:58 -04:00
parent 13014fed0a
commit c2fa85ef71

View file

@ -203,10 +203,20 @@ class Client(object):
call.func_name = name call.func_name = name
setattr(cls, name, call) setattr(cls, name, call)
def call_on_each_message(self, callback, options = {}): def call_on_each_event(self, callback, event_types=None):
def do_register(): def do_register():
res = self.register(event_types=['message']) while True:
return (res['queue_id'], res['last_event_id']) if event_types is None:
res = self.register()
else:
res = self.register(event_types=event_types)
if 'error' in res.get('result'):
if self.verbose:
print "Server returned error:\n%s" % res['msg']
time.sleep(1)
else:
return (res['queue_id'], res['last_event_id'])
queue_id = None queue_id = None
while True: while True:
@ -217,10 +227,10 @@ class Client(object):
if 'error' in res.get('result'): if 'error' in res.get('result'):
if res["result"] == "http-error": if res["result"] == "http-error":
if self.verbose: if self.verbose:
print "HTTP error fetching messages -- probably a server restart" print "HTTP error fetching events -- probably a server restart"
elif res["result"] == "connection-error": elif res["result"] == "connection-error":
if self.verbose: if self.verbose:
print "Connection error fetching messages -- probably server is temporarily down?" print "Connection error fetching events -- probably server is temporarily down?"
else: else:
if self.verbose: if self.verbose:
print "Server returned error:\n%s" % res["msg"] print "Server returned error:\n%s" % res["msg"]
@ -228,7 +238,7 @@ class Client(object):
# Our event queue went away, probably because # Our event queue went away, probably because
# we were asleep or the server restarted # we were asleep or the server restarted
# abnormally. We may have missed some # abnormally. We may have missed some
# messages while the network was down or # events while the network was down or
# something, but there's not really anything # something, but there's not really anything
# we can do about it other than resuming # we can do about it other than resuming
# getting new ones. # getting new ones.
@ -239,15 +249,16 @@ class Client(object):
time.sleep(1) time.sleep(1)
continue continue
messages = []
for event in res['events']: for event in res['events']:
last_event_id = max(last_event_id, int(event['id'])) last_event_id = max(last_event_id, int(event['id']))
if event['type'] == 'message': callback(event)
messages.append(event['message'])
# The messages should already be sorted, but we sort just in case def call_on_each_message(self, callback):
for message in sorted(messages, key=lambda x: int(x["id"])): def event_callback(event):
callback(message) if event['type'] == 'message':
callback(event['message'])
self.call_on_each_event(event_callback, ['message'])
def _mk_subs(streams): def _mk_subs(streams):
return {'subscriptions': streams} return {'subscriptions': streams}
@ -255,10 +266,15 @@ def _mk_subs(streams):
def _mk_del_subs(streams): def _mk_del_subs(streams):
return {'delete': streams} return {'delete': streams}
def _mk_events(event_types=None):
if event_types is None:
return dict()
return dict(event_types=event_types)
Client._register('send_message', url='messages', make_request=(lambda request: request)) Client._register('send_message', url='messages', make_request=(lambda request: request))
Client._register('get_messages', method='GET', url='messages/latest', longpolling=True) Client._register('get_messages', method='GET', url='messages/latest', longpolling=True)
Client._register('get_events', url='events', method='GET', longpolling=True, make_request=(lambda **kwargs: kwargs)) Client._register('get_events', url='events', method='GET', longpolling=True, make_request=(lambda **kwargs: kwargs))
Client._register('register', make_request=(lambda event_types=[]: dict(event_types=event_types))) Client._register('register', make_request=_mk_events)
Client._register('get_profile', method='GET', url='users/me') Client._register('get_profile', method='GET', url='users/me')
Client._register('get_public_streams', method='GET', url='streams') Client._register('get_public_streams', method='GET', url='streams')
Client._register('get_members', method='GET', url='users') Client._register('get_members', method='GET', url='users')